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Pass clkdev_if methods through to parent device by default.

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Reviewed by:		mmel, adrian (mentor)
Approved by:		adrian (mentor)
Differential Revision:	https://reviews.freebsd.org/D5750
This commit is contained in:
jmcneill 2016-03-28 11:51:35 +00:00
parent 632abb6423
commit 8f34efaaf8
1 changed files with 53 additions and 5 deletions
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58
sys/dev/extres/clk/clkdev_if.m
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@ -32,18 +32,66 @@ INTERFACE clkdev;
CODE {
#include <sys/systm.h>
#include <sys/bus.h>
static int
clkdev_default_write_4(device_t dev, bus_addr_t addr, uint32_t val)
{
device_t pdev;
pdev = device_get_parent(dev);
if (pdev == NULL)
return (ENXIO);
return (CLKDEV_WRITE_4(pdev, addr, val));
}
static int
clkdev_default_read_4(device_t dev, bus_addr_t addr, uint32_t *val)
{
device_t pdev;
pdev = device_get_parent(dev);
if (pdev == NULL)
return (ENXIO);
return (CLKDEV_READ_4(pdev, addr, val));
}
static int
clkdev_default_modify_4(device_t dev, bus_addr_t addr,
uint32_t clear_mask, uint32_t set_mask)
{
device_t pdev;
pdev = device_get_parent(dev);
if (pdev == NULL)
return (ENXIO);
return (CLKDEV_MODIFY_4(pdev, addr, clear_mask, set_mask));
}
static void
clkdev_default_device_lock(device_t dev)
{
device_t pdev;
panic("clkdev_device_lock() is not implemented");
pdev = device_get_parent(dev);
if (pdev == NULL)
panic("clkdev_device_lock not implemented");
CLKDEV_DEVICE_LOCK(pdev);
}
static void
clkdev_default_device_unlock(device_t dev)
{
device_t pdev;
panic("clkdev_device_unlock() is not implemented");
pdev = device_get_parent(dev);
if (pdev == NULL)
panic("clkdev_device_unlock not implemented");
CLKDEV_DEVICE_UNLOCK(pdev);
}
}
@ -54,7 +102,7 @@ METHOD int write_4 {
device_t dev;
bus_addr_t addr;
uint32_t val;
};
} DEFAULT clkdev_default_write_4;
#
# Read single register
@ -63,7 +111,7 @@ METHOD int read_4 {
device_t dev;
bus_addr_t addr;
uint32_t *val;
};
} DEFAULT clkdev_default_read_4;
#
# Modify single register
@ -73,7 +121,7 @@ METHOD int modify_4 {
bus_addr_t addr;
uint32_t clear_mask;
uint32_t set_mask;
};
} DEFAULT clkdev_default_modify_4;
#
# Get exclusive access to underlying device